Rashid Bashir , Taher Saif and colleagues have developed small, soft biological robots, dubbed "bio-bots," that can walk and swim on their own or when triggered by electrical or light signals.
A new class of miniature biological robots, or bio-bots, has seen the light -- and is following where the light shines. The bio-bots are powered by muscle cells that have been genetically engineered to respond to light, giving researchers control over the bots
